Gráinne Hambly (born in County Mayo in circa 1975) is an internationally known Irish traditional harper, teacher and musician. Hambly learned traditional Irish music on the tin whistle as a child and then learned the concertina and harp. Hambly won the All-Ireland senior competition in Clonmel in 1994 on the concertina. She also won the Harp Festivals competitions at Keadue in 1994 and Granard in 1995 and the All-Ireland senior harp competition in 1994.